series solution

The Sn-Ag alloy series electroplating solution containing Sn2+ compound, Ag+ compound, chelating agent and additive etc. is discussed. The electroplating solution has excellent stability and is suitable for solderability surface finish of electronic parts.

叙述了由Sn2+化合物、Ag+化合物、螯合剂和添加剂等组成的Sn-Ag合金系电镀液，该镀液具有优良的稳定性，适用于电子部件的可焊性表面精饰。

Based on the use of merging zone circuit and simulating a series of standard solution of uranium in organic phase, uranium in unknown organic phase sample was determined by flow injection spectrophotometry.

使用流动注射分光光度法，以合并带流路模拟有机相铀标准系列溶液，从而求出未知有机相样品的铀含量。

As for the high-complicated nonlinear problem of welding thermo-mechanical analysis, a series of nonlinear measures were taken to strengthen solution convergence and accurate result.

针对焊接热-结构计算分析的高度非线性，采取了一系列措施保证求解的收敛和精度。

The experiment of eight fast switching thyristors ( FST) in series for the solution of static and dynamic voltage-equilibrium problem and the conduction synchronization of FST in series was achieved.

完成了8支快速晶闸管（FST）的串联试验。解决了8支FST串联的动、静态均压及开通同步性问题。

A series of Al_2O_3 doped polyimide ( PI) composite films was successfully prepared via solution process, and the effect of the content of Al_2O_3 on the tensile strength, thermal property and breakdown strength of the composite films was studied.

通过溶液法，成功地制备了氧化铝掺杂聚酰亚胺纳米复合薄膜。探讨了Al2O3用量对聚酰亚胺纳米复合薄膜拉伸强度、热性能、电气强度的影响。

Fourier series solution of thick/ thin beam laid on elastic foundations and tensionless elastic foundations

弹性地基与无拉力弹性地基上深浅梁的Fourier级数解法

The final example shows that parallel algorithm of series solution has high speedup.

算例表明,并行算法具有好的加速比.

Series solution to the magnetic field of a circular current loop

圆形电流磁场的级数解

The Series Solution of Sum Function Method for Simple Supported Deep Beam

简支深梁用和函数法的级数解答

The dynamic stress is approached by Fourier series. The first N terms of Fourier series are taken as the approximate value of the dynamic stress figure solution, and furthermore, the frequency field characteristics are analyzed.

对动应力进行傅里叶级数逼近，取前N项傅里叶级数为动应力数值解的近似值，进而分析频域特性。

From the Maxwell ′ s equation of the steady state case, the field function is formulated by a set of MT series solution, and the eddy field formula is derived.

从稳态情况下的Maxwell方程出发，推导出用多极理论计算载流导体涡流场问题的计算公式和相应的约束方程，并给出其计算实施过程。

Series Solution of Sum Function Method for Rectangular Plate Subjected to Distributed Load in a Diagonal Edge

矩形板一对边受分布载荷用和函数法的级数解答

In this paper, the series solution and the operator method of linear harmonic oscillator are discussed.

本文讨论了线性谐振子的级数解和算符法,导出了两者之间的关系.

According to Biot-Savart law, a series solution of magnetic field on a circular current is derived in cylindrical coordinates system.

根据毕奥-萨伐尔定律，导出了圆电流磁场分布的级数解表达式。

Deducing the Approximate Formula of Arch Field Area by Making Use of Taylor Series Iterative Arithmetic of Legendre Series Coordination Inverse Solution on Terrestrial Ellipsoid

利用Taylor级数计算弓形面积的近似公式勒让德级数计算大地坐标主题反解的迭代算法

SOLUTION OF NON-INTEGRAL PRINCIPAL QUANTUM NUMBERS OF THE WAVE EQUATION AND ATOMIC STRUCTURE& Cause of the Presence of Transition Metals, Rare Earths and Actinium Series

波动方程的非整数量子数解与原子结构&过渡金属、稀土金属和锕系元素存在的原因

A series solution for surface motion amplification due to underground group cavities: incident SH waves

地下洞室群对地面运动影响问题的级数解答：SH波入射

This can transform the scattering wave problem into the problem to solve the unknown coefficients of solution series. Thus the problem was converted into the problem of linear algebraic equations by method of truncation coefficient.

这样就将求解散射波问题转换为求解散射波级数的未知系数问题，通过截断系数，转换为线性代数方程组问题。

A differential equation with constant coefficient is obtained by Termwise differentiation on the sum function of power series in this method, and the sum of constant series is able to be solved from the general solution of differential equation.

该方法运用逐项微分法将幂级数的收敛和函数转化为相应的常系数线性微分方程，求出微分方程的通解从而得到相应常数项级数之和。